Combine all ingredients, except soda, and shake with ice. Place the orange spiral so that it runs up the inside of the Collins glass. Strain the cocktail over fresh ice into the glass. Top with soda and gently stir to combine. Garnish.

Molasses syrup: Combine 2 cups of granulated sugar with 1 cup of hot water and 2 Tbps. of mild molasses. Stir until the sugar is fully dissolved.